/**
 * Author:MangoDai
 *
 * Date:${Date}
 *
 * Description:
 *
**/
#include <iostream>
using namespace std;
int main(){
	int n;
	cin >> n;
	char[2006] digits = {0};
	if (n < 5) {
		cout << 1 << endl;
	}
	for (int i = 4; i < n; i++) {
		cout << fun(n)
	}
	return 0;
}

